Andrew U. Lee, SVP of Business Development at CLEARSIGN COMBUSTION CORP (CLIR), bought 5,000 shares at $4.00 ($20K) on 2012-04-25, disclosed to the SEC on 2012-04-26.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Something here stands out, but not much.
| Filing → |
| CLIR | BUY | 2012-12-06 | $5K | — | Filing → |